/Engine/Source/Runtime/Engine/Public/WorldPartition/WorldPartitionClassDescRegistry.h
bool IsDerivedFrom ( const [FWorldPartitionActorDesc](API\Runtime\Engine\WorldPartition\FWorldPartitionActorDesc) * InClassDesc, const [FWorldPartitionActorDesc](API\Runtime\Engine\WorldPartition\FWorldPartitionActorDesc) * InParentClassDesc ) const